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Class Information
Number: 455/421
Name: Telecommunications > Radiotelephone system > Out-of-range indication
Description: Subject matter wherein a visual or audible signal indicates to a mobile user that he or she is approaching or beyond a communication area.

Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8712398 Soliciting first party in communication session to maintain call when degradation of connection to second party is anticipated Apr. 29, 2014
8713211 Method and apparatus for connecting to external device Apr. 29, 2014
8706840 System and method for provisioning a remote resource for an electronic device Apr. 22, 2014
8694007 Method for providing and receiving reliable service in wireless communication system Apr. 8, 2014
8687217 Wireless network printing system and method configured for selectively changing between an access point communication mode and a direct communication mode Apr. 1, 2014
8687517 Method and system for identifying degradation of a media service Apr. 1, 2014
8682310 Network-based area positioning for capacity and coverage improvement Mar. 25, 2014
8676159 Mobile network interoperability Mar. 18, 2014
8666386 Method and system for self-terminating a media service due to an out-of-coverage condition Mar. 4, 2014
8666432 Method and system for indoor RF mapping Mar. 4, 2014
8660606 Prompt method for detachable element, mobile electronic device using detachable element and computer-readable medium thereof Feb. 25, 2014
8660480 Methods and systems for relaying out of range emergency information Feb. 25, 2014
8660550 Method and system for determining communication mode in a communication system Feb. 25, 2014
8655348 System and method for acquiring network data Feb. 18, 2014
8649757 Proximity based selection of an implantable medical device for far field communication Feb. 11, 2014
8634817 Location information for control of mode/technology Jan. 21, 2014
8634847 Communication system and a mobile station, proxy location server and method of operation for use in the system Jan. 21, 2014
8630261 Communication method for determining the start of a handover and radio apparatus using the method Jan. 14, 2014
8626148 Text message transmissions indicating failure of recipient mobile device to connect with a call Jan. 7, 2014
8626187 Monitoring geofence exit Jan. 7, 2014
8620377 Hybrid phone and method of acquiring channel in the hybrid phone Dec. 31, 2013
8619743 Radio communication terminal and radio communication method Dec. 31, 2013
8611840 Mobile communication terminal and method for indicating received-signal strength Dec. 17, 2013
8611932 Automated autonomy increasing system and method for communication devices Dec. 17, 2013
8606235 Systems and methods for notification of mobile communications device use Dec. 10, 2013
8594701 System and/or method for pedestrian navigation Nov. 26, 2013
8594745 Notification of event by mobile communications device using radio frequency transmitter Nov. 26, 2013
RE44606 Method and apparatus for establishing ad hoc communications pathways between source and destination nodes in a communications network Nov. 19, 2013
8588776 User controlled base station selection Nov. 19, 2013
8588769 Wireless connection device and wireless communication device Nov. 19, 2013
8583053 Optimizing TCP traffic for mobile devices using TCP backoff thresholds Nov. 12, 2013
8565763 User device radio activity optimization in dead zones Oct. 22, 2013
8559926 Telecom-fraud detection using device-location information Oct. 15, 2013
8553560 Predictive ad-hoc network routing Oct. 8, 2013
8548487 Signaling for administrative domain change during location tracking Oct. 1, 2013
8548454 Methods, mobile network node and mobile terminal for reducing the number of unsuccessful service change requests performed by the mobile terminal Oct. 1, 2013
8548129 System and method for enhanced message notification Oct. 1, 2013
8547948 Antenna management system Oct. 1, 2013
8543085 Quality of experience estimation Sep. 24, 2013
8538396 Wireless extensions for a conference unit and methods thereof Sep. 17, 2013
8526299 Method and device for processing cell out-of-service failures Sep. 3, 2013
8521154 Portable communications device coupled to first network by way of second network Aug. 27, 2013
8520647 Wireless client position estimating system and method Aug. 27, 2013
8509686 Auxiliary cellular phone module Aug. 13, 2013
8509742 Intelligent call notification in a communication network Aug. 13, 2013
8509761 Location based services quality assessment Aug. 13, 2013
8510442 Method and apparatus for dormant mode support with paging Aug. 13, 2013
8504009 Method of setting the dispatch area based on the cluster system of CDMA technology Aug. 6, 2013
8503994 Automated reply to incoming communications while in motion Aug. 6, 2013
8503397 Multi-mode multi-band mobile communication terminal and mode switching method between asynchronous and synchronous mobile communication networks Aug. 6, 2013

1 2 3 4 5 6 7 8 9

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